Lucky Submarine

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Rules and Gameplay

The Lucky Submarine slot game by 7777 Gaming offers players an engaging underwater adventure with a straightforward gameplay format. Set on a 5×3 grid, players have 243 ways to win, providing ample opportunities for exciting combinations. Bets can range from $0.20 to $100 per spin, accommodating both casual players and high rollers. The high volatility of the game means that payouts can be infrequent but potentially very rewarding, fitting the adventurous theme of exploring the ocean depths.

Bonus Features

Lucky Submarine comes packed with several enticing bonus features that enhance the gaming experience:

  • Free Spins: Triggered by landing scatter symbols, offering players additional spins without any extra cost.
  • Additional Free Spins: Can be won during the free spins rounds, extending the playtime and potential winnings.
  • Wild Symbols: These symbols substitute for other symbols to form winning combinations, increasing the chances of a big win.
  • Scatter Symbols: These unlock the free spins bonus rounds, adding an extra layer of excitement to the gameplay.


The symbols in Lucky Submarine are beautifully crafted to align with the underwater theme, and they play a crucial role in the game dynamics:

  • Standard Symbols: Fish, anchors, and card suits are the regular symbols providing smaller payouts.
  • High-Value Symbols: Themed symbols like Medusa, octopus, starfish, and ships offer higher payouts.
  • Wild Symbols: Represented by a special icon, helping to complete winning combinations.
  • Scatter Symbols: Key to unlocking free spins, these symbols are essential for triggering the main bonus features.


Lucky Submarine features 243 paylines, providing numerous ways to win on every spin. This setup allows for frequent winning combinations, as players can match symbols in various patterns across the reels to win prizes. This system enhances the excitement and dynamic nature of the game, keeping the gameplay engaging and rewarding.

Pros & Cons

Pros Cons
High maximum win potential of up to 7290 times the bet High volatility may deter casual players due to less frequent payouts
Rich underwater theme with detailed graphics Limited thematic innovation, similar to other underwater slots
Offers both free spins and additional free spins Base game can be less engaging without triggering bonus features

Minimum and Maximum Bet

The Lucky Submarine slot game accommodates a wide range of players with its flexible betting options. The minimum bet allowed is $0.20, making it accessible for players with smaller bankrolls. Conversely, the maximum bet is set at $100 per spin, which appeals to high rollers looking for bigger stakes and the potential for substantial payouts.

Game Jackpot

The jackpot in Lucky Submarine can reach up to 7290 times the player’s bet, offering a significant payout. This substantial maximum win reflects the game’s high volatility, which means that payouts can be sparse but very rewarding when they occur. The RTP (Return to Player) for this game is 95.15%, which is slightly below the industry average, yet the high variance may appeal to players seeking big wins from a single spin.

About Provider

7777 Gaming, the provider of Lucky Submarine is known for developing engaging and innovative casino games. They focus on creating high-quality gaming experiences with attention to detail in both thematic elements and gameplay mechanics. Their games are designed to be immersive and entertaining, utilizing modern technology like JS and HTML5 to ensure smooth gameplay across various devices.

How To Play

  • Set your bet size: Adjust the bet amount using the on-screen options to select a value between $0.20 and $100.
  • Start the game: Press the spin button to start the reels. The layout is 5×3 with 243 paylines.
  • Watch for winning combinations: Wins are determined by matching symbols across the 243 paylines.
  • Trigger bonus features: Land scatter symbols to initiate free spins or additional free spins. Wilds can substitute for other symbols to form winning combinations.
  • Manage your bankroll: Keep track of your funds and adjust your betting strategy accordingly to maximize your gameplay experience.


Lucky Submarine offers an exhilarating deep-sea adventure with the chance to win big, supported by its high volatility and significant maximum payout. The game’s well-crafted theme and engaging bonus features, such as free spins and wilds, provide a satisfying and potentially lucrative gaming experience. While the RTP is slightly lower than some competitors, the game’s high maximum win potential makes it a compelling choice for players seeking substantial rewards.